Cisco SPA 508G Administration Guide

Configuring SIP, SPCP, and NAT
Configuring SIP
Cisco Small Business SPA 300 Series, SPA 500 Series, and WIP310 IP Phone Administration Guide 100
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INFOREQ Dynamic Payload This parameter defines the Codec Number used in the
SIP messaging for the Dynamic Payload size
mechanism. This number should match the number
configured in the network/other party to enable the
use of Dynamic Payload. The best range is 96-127 for
any dynamic payload type. Defaults to blank.
G726r16 Dynamic Payload G.726-16 dynamic payload type. Ranges from 96-127.
Defaults to 98.
NOTE Not applicable to Cisco SPA 525G.
G726r24 Dynamic Payload G.726-24 dynamic payload type. Ranges from 96-127.
Defaults to 97.
NOTE Not applicable to Cisco SPA 525G.
G726r32 Dynamic Payload G726r32 dynamic payload type.
The default is 2.
G726r40 Dynamic Payload G.726-40 dynamic payload type. Ranges from 96-127.
Defaults to 96.
NOTE Not applicable to Cisco SPA 525G.
G729b Dynamic Payload G729b Dynamic Payload type.
Defaults to 99.
EncapRTP Dynamic Payload EncapRTP Dynamic Payload type.
Defaults to 112.
RTP-Start-Loopback Dynamic RTP-Start-Loopback Dynamic Payload.
Defaults to 113.
RTP-Start-Loopback Codec RTP-Start-Loopback Codec. Select one of following:
G711u, G711a, G726-16, G726-24, G726-32, G726-40,
G729a, or G723.
Defaults to G711u.
AVT Codec Name AVT codec name used in SDP.
Defaults to telephone-event.
Parameter Description

Cisco SPA 508G Specifications

General

Speakerphone	Yes
Dialer location	Base
Mac compatibility	No
Ethernet LAN (RJ-45) ports	2
Display resolution	128 x 64 pixels
Display number of colors	Monochrome
Headphone connectivity	2.5 mm

Weight and Dimensions

Depth	212 mm
Width	214 mm
Height	44 mm
Weight	900 g